From: Toni Wilen <twilen@winuae.net>
Date: Sat, 22 Apr 2017 17:47:05 +0000 (+0300)
Subject: ncr may be null if accelerator with SCSI IO but no controller chip.
X-Git-Tag: 3500~47
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=29c2d8090245ff1595663694833734cee9df8736;p=francis%2Fwinuae.git

ncr may be null if accelerator with SCSI IO but no controller chip.
---

diff --git a/ncr9x_scsi.cpp b/ncr9x_scsi.cpp
index da5b6284..ec656cc1 100644
--- a/ncr9x_scsi.cpp
+++ b/ncr9x_scsi.cpp
@@ -669,6 +669,9 @@ static void ncr9x_io_bput(struct ncr9x_state *ncr, uaecptr addr, uae_u32 val)
 	int reg_shift = 2;
 	uaecptr oldaddr = addr;
 
+	if (!ncr)
+		return;
+
 	addr &= ncr->board_mask;
 
 	if (isncr(ncr, ncr_scram5394_scsi)) {
@@ -1006,6 +1009,9 @@ static uae_u32 ncr9x_io_bget(struct ncr9x_state *ncr, uaecptr addr)
 	int reg_shift = 2;
 	uaecptr oldaddr = addr;
 
+	if (!ncr)
+		return v;
+
 	addr &= ncr->board_mask;
 
 	if (isncr(ncr, ncr_scram5394_scsi)) {